50results about How to "Stop the outflow" patented technology

The invention provides a forging die for manufacturing high-precision micro-vehicle crank shafts. The forging die comprises an upper die, a lower die, a die cavity surrounded by the upper die and the lower die, wherein the lower die is axially provided with guide slots I positioned on the two sides of the die cavity; the upper die is correspondingly axially provided with guide ears I positioned on the two sides of die cavity; and the areas of the lower die corresponding to balancing plates on the two axial sides of a crank shaft are provided with resistance walls. The invention also provides a manufacturing method for the forging die, which comprises the following steps of: processing one die according to a benchmark pad and the size of a drawing; performing actual measurement and data acquisition on the processed die; and manufacturing a middle part and opposite angle guiding part of another die by using a method for ensuring clearance quantity through numerical control programming. The forging die for manufacturing the high-precision mini-car crank shafts has the advantages of higher precision of the product size and shape, better product consistency, greatly-prolonged service life, higher full degree of product filling, higher utilization ratio of materials and lower production cost.

A light emitting device includes a heat dissipation board, a wiring board that is bonded and fixed to the heat dissipation board and formed with a through-hole, a semiconductor light emitting element that is mounted on a face of the heat dissipation board, the face being exposed through the through-hole of the wiring board, and a light reflecting member that covers a portion of an inner peripheral wall surface of the through-hole of the wiring board, the portion being squarely opposed to a side surface of the semiconductor light emitting element.

The invention discloses polymer thermal stability detecting equipment and a polymer thermal stability detecting method. The inlet of a first group of constant speed displacement pump is connected to a first displacing fluid storage device; the outlet of the first group of constant speed displacement pump is connected to the inlet of a first intermediate container group; the outlet of the first intermediate container group is connected to the inlet of a homogeneous sand-filled pipe series group; the outlet of the homogeneous sand-filled pipe series group is connected to the inlet of a second intermediate container group; the outlet of the second intermediate container group is connected to the outlet of a second group of constant speed displacement pump; the inlet of the second group of constant speed displacement pump is connected to a second displacing fluid storage device; the homogeneous sand-filled pipe series group is placed in a temperature constant box; a porous medium short section is mounted between the inlet of the homogeneous sand-filled pipe series group and the outlet of the first intermediate container group. According to the polymer thermal stability detecting equipment and the polymer thermal stability detecting method, the influence on the assessment of polymer stability caused by the lack of combination of a plurality of actual conditions in the prior art is effectively solved, and the dynamic stability detection of a polymer solution is realized.

The invention provides a preparation method for a metal salt / gamma-Al2O3 heat accumulating type catalyst carrier. The preparation method comprises the following steps of: preparing macropore gamma-Al2O3 by adopting aluminum nitrate an aluminum source and modified polystyrene microballoon spheres as a template agent; and soaking the metal to a pore channel of the macropore gamma-Al2O3, thereby finally obtaining the heat accumulating type gamma-Al2O3. According to the obtained metal salt / gamma-Al2O3 heat accumulating type catalyst carrier disclosed by the invention, the metal salt is uniformly and sufficiently distributed in a porous netted structure alumina matrix; a phase-change heat accumulating material is divided into a plurality of micro heat accumulating type units by the alumina pore channel; and the micro heat accumulating units are further used for preventing the molten phase-change material from flowing outwards due to tension action of a capillary tube while improving heat absorption and heat release, thereby not affecting the performances of the catalytic material due to changes of the micro heat accumulating type units as well as the heat accumulation and the heat release.

The invention discloses a flexible micro-column ring array for detecting the contractility of a clot and a preparation method and application of the flexible micro-column ring array. The micro-columnring array is composed of a plurality of micro-column rows arranged periodically, each micro-column row is provided with a plurality of micro-column rings, and each micro-column ring is composed of four or more micro-columns forming a ring shape in a surrounding mode, wherein a circular pore with a certain diameter is formed in the micro-column ring, and when the contractility of the clot is detected, whole blood is dropped into the circular pore of the micro-column ring for blood coagulation detection. According to the invention, a whole blood sample is efficiently fixed in the micro-column ring by utilizing the interfacial tension of a solid-liquid-gas system and the resistance of the micro-column; meanwhile, the micro-column is used as a force sensor to measure the contraction force ofa clot in real time, the detection result is high in sensitivity and low in detection cost, and clinical transformation is easy; besides, platelets do not need to be separated from blood, whole bloodcan be used for detection, the influence of other components in the blood on platelet contraction is fully considered, and the result is more objective and comprehensive.

The invention relates to the field of road infrastructures, and particularly discloses water blocking type kerb and a construction method for the kerb. The water blocking type kerb comprises cuboid stone and is characterized in that symmetric reverse rabbets are formed in the two ends of the cuboid stone, and two pieces of cuboid stone are connected and assembled; the reverse rabbets are connected to form a water blocking hole. The water blocking type kerb is simple in structure, reasonable in design, convenient to use, high in mounting speed, and suitable for high-position flower beds and slope greening in the sponge city construction, facilitates manual carrying, effectively improves the effect and saves the construction cost.

The invention relates to the technical field of brazing, and discloses a contact reaction brazing process for connecting TZM alloy and graphite through a pure zirconium layer, which comprises the following steps: step 1, taking TZM alloy, graphite and Zr foil to be welded, polishing the surfaces to be welded by using abrasive paper, and ultrasonically cleaning the sample in an organic solution for 30 minutes; and 2, grooving the surface of the graphite in the step 1, and then sequentially putting Zr foil and TZM alloy into the grooves in the surface of the graphite so as to prevent the sample from being misplaced and prevent brazing filler metal from flowing out. And (3) the workpiece assembled in the step (2) is put into a furnace cavity of a vacuum air pressure sintering furnace, the furnace cavity is vacuumized to be lower than 1 * 10 <-3 > Pa, then argon is filled into the furnace cavity to reach the set pressure, and the temperature is increased to 1000 DEG C from 20 DEG C at the speed of 50 DEG C / min. According to the method, the requirement for the smoothness of the welding surface can be lowered by adding the zirconium middle layer, and the welding surface can be subjected to various treatments such as polishing, sand blasting and machining according to the requirements so as to increase the mechanical occlusal force.

The invention discloses montmorillonite-containing functional toothpaste and a preparation method thereof. The toothpaste comprises an abrasive and auxiliary materials. The abrasive is montmorillonite, whose weight percentage in the toothpaste is 5-30%. The auxiliary materials are any auxiliary materials that can be accepted and needed by the toothpaste, and mainly contain a humectant, an adhesive, a foaming agent, essence, sodium saccharin and other additives. The montmorillonite-containing functional toothpaste has tooth-cleaning, haemostasis, antibiosis and other effects, the toothpaste is used partially, so that the absorption and utilization problems do not exist, and the usage is safer.

The device has an upper part (20) movably arranged above a base (1), and an adjusting mechanism for adjusting a position of the upper part relative to an adhesive agent transferring tool i.e. gluing roller (100), provided at the base. A driving mechanism i.e. servomotor (40), adjusts a stop to define a set of working positions of the upper part relative to the tool. Another driving mechanism i.e. pressure cylinder (42), adjusts the upper part relative to the tool from a base position to one of the working positions defined by the stop. An independent claim is also included for a method for operating an upper part of an adhesive agent supplying device.

The invention discloses a die-casting part shaping and grinding device and relates to the field of die casting. The die-casting part shaping and grinding device comprises a liquid storage cavity. The top of the liquid storage cavity is fixedly provided with a platform. The top of the left side of the liquid storage cavity is fixedly provided with a rotary table. The top of the rotary table is fixedly connected with a bracket. A motor and a liquid spray cavity are fixedly mounted on the bracket. The right side of the motor is fixedly connected with a rotary shaft. The rotary shaft penetrates through the left sidewall of the liquid spray cavity to be fixedly connected with a rotary disk. The right side of the rotary disk is fixedly connected with a grinding disk. The grinding disk and the rotary disk are provided with a plurality of through holes. The bottom of the liquid spray cavity is fixedly connected with a liquid outlet pipe. The liquid outlet pipe penetrates through the bracket and the rotary table to extend to the bottom of an inner cavity of the liquid storage cavity. The upper portion of the liquid outlet pipe is fixedly provided with a liquid pump. The die-casting part shaping and grinding device can adjusting the angle of the grinding disk, can recover, filter and reutilize used grinding liquid, saves resources and is easy to apply and popularize.

The invention provides an air purification infusion device. In the device, a plug puncture set, an air inlet device, a dropping funnel, an infusion tube, a filter and a venipuncture needle are connected and communicated, and a flow rate regulator is sleeved on the infusion tube; and a hydrophobic membrane with a pore diameter of less than or equal to 0.45mu m and a membrane (fabric, felt and paper) woven by activated carbon fibers are covered and fixed on the air inlet device in turn. The air purification infusion device is characterized in that: the air inlet device is provided with the membrane (fabric, felt and paper) woven by the activated carbon fibers. When air inlet type infusion is carried out, air passes through the membrane (fabric, felt and paper) woven by the activated carbon fibers and the hydrophobic membrane with the pore diameter of less than or equal to 0.45mu m to filter out microbes, sulfur-containing compounds, oxynitride, volatile organics and other harmful substances, and then enters a liquid medicine vessel.

The invention discloses an infusion bag matched for a safe drug infusion pump. The infusion bag comprises an infusion bag body, a pump pipe and an infusion catheter, wherein the tail end of the infusion catheter is connected with a combined joint which comprises a pressure control unit, a liquid storage device is arranged behind the pressure control unit, and a liquid control unit is arranged behind the liquid storage device and connected with a Luer joint; the pressure control unit comprises an inlet joint which is connected with the infusion catheter, a drainage port is formed in the rear part of the inlet joint and is covered with an elastic piece, and an outlet joint is arranged behind the drainage port; the liquid storage device comprises a liquid storage cavity which is communicated with the outlet joint; the liquid control unit comprises a main drainage port and an auxiliary drainage port on a liquid passage, and a covering part is arranged on the main drainage port and an auxiliary drainage port respectively. The infusion bag matched for the safe drug infusion pump is made from a non-PVC material, the liquid can be stopped automatically and effectively, excessive infusion can be prevented under the effect of gravity, the liquid can be supplied for a certain time after infusion, the effect for preventing blood return can be effectively realized, the structure is simple, and the operation is convenient.

The invention belongs to the technical field of pipeline crossing engineering, and particularly relates to a large-fall mountain directional drilling slurry plugging system and method and electronic equipment. The large-fall mountain directional drilling slurry plugging system and the method and the electronic equipment aim to solve the problem of poor slurry plugging effect in directional drilling crossing of the large-fall mountain. The system comprises a reaming assembly, a slurry plugging assembly and an auxiliary bearing assembly, and the auxiliary bearing assembly is arranged outside the reaming assembly to bear the reaming assembly; the reaming assembly comprises a reaming device and a drill rod; the slurry plugging assembly comprises an isolation sleeve and a rotary blowout preventer, the drill rod is sleeved with the isolation sleeve, one end of the isolation sleeve extends into a rock mass penetrating point, and the other end of the isolation sleeve extends in an overhanging mode; the rotary blowout preventer is arranged at the end part, away from the rock mass penetration point, of the isolation sleeve, and the rotary blowout preventer is hermetically connected with the isolation sleeve in an abutting mode through a connecting assembly; and a positioning assembly used for conducting center positioning on the drill rod is arranged inside the isolation sleeve. Effective water-proof plugging of the large-fall mountain can be achieved through the large-fall mountain directional drilling slurry plugging system and the method and the electronic equipment.

The invention discloses a preparation method for precision casting composite shell mold reinforcing. The preparation method comprises the following steps of S1 technological preparation, S2 shell moldmanufacturing, S3 preliminary reinforcing of a shell mold, S4, medium reinforcing of the shell mold and S5 deep reinforcing of the shell mold. The preparation method is easy to operate and low in cost, and the problems of cracking and molten steel flowing during shell mold casting are effectively controlled.

The invention discloses a die casting shaping device with a grinding liquid filtering and recycling function. The die casting shaping device comprises a liquid storage cavity, wherein a platform is fixedly installed on the top of the liquid storage cavity, a rotary table is fixedly installed on the top of the left side of the liquid storage cavity, a bracket is fixedly connected to the top of the rotary table, a motor and a liquid spray cavity are fixedly installed on the bracket, a rotating shaft is fixedly connected to the right side of the motor, a rotary disc is fixedly connected to the left side wall, which penetrates through the liquid spray cavity, of the rotating shaft, a grinding disc is fixedly connected to the right side of the rotary disc, a plurality of through holes are formed in the grinding disc and the rotary disc in a penetrating mode, a liquid outlet pipe is fixedly connected to the bottom of the liquid spray cavity, the liquid outlet pipe penetrates through the bracket and the rotary table and extends into the bottom of an inner cavity of the liquid storage cavity, and an infusion pump is fixedly installed on the upper part of the liquid outlet pipe. The die casting shaping device relates to the field of pressure casting, the grinding angle can be adjusted, grinding liquid can be uniformly sprayed during grinding, the used grinding liquid is filtered and recycled, grinding scraps are automatically eliminated, and the consumption of the grinding liquid is reduced.

The invention discloses polymer thermal stability detecting equipment and a polymer thermal stability detecting method. The inlet of a first group of constant speed displacement pump is connected to a first displacing fluid storage device; the outlet of the first group of constant speed displacement pump is connected to the inlet of a first intermediate container group; the outlet of the first intermediate container group is connected to the inlet of a homogeneous sand-filled pipe series group; the outlet of the homogeneous sand-filled pipe series group is connected to the inlet of a second intermediate container group; the outlet of the second intermediate container group is connected to the outlet of a second group of constant speed displacement pump; the inlet of the second group of constant speed displacement pump is connected to a second displacing fluid storage device; the homogeneous sand-filled pipe series group is placed in a temperature constant box; a porous medium short section is mounted between the inlet of the homogeneous sand-filled pipe series group and the outlet of the first intermediate container group. According to the polymer thermal stability detecting equipment and the polymer thermal stability detecting method, the influence on the assessment of polymer stability caused by the lack of combination of a plurality of actual conditions in the prior art is effectively solved, and the dynamic stability detection of a polymer solution is realized.

The invention discloses a kitchen freezing dustbin. The kitchen freezing dustbin comprises a dustbin body, a turbine-shaped sealing disc, a control device and a freezing device. The turbine-shaped sealing disc, the control device and the freezing device are all arranged in the dustbin body. An ozone generator is further arranged in the dustbin body. The turbine-shaped sealing disc is arranged between the ozone generator and the control device. The sealing disc is provided with sealing blades. According to the kitchen freezing dustbin, a supporting plate and a sealing door are arranged into an L shape so that the dustbin can be conveniently taken and placed. The distance is inducted through an infrared inductor, data are converted into a controller, data processing is conducted through an A / D module and an MCU module in the controller, and therefore the sealing blades on the turbine-shaped sealing disc are controlled to be rotated and opened, and after throwing in, the sealing blades can automatically reversely rotated, and a throwing-in opening is closed. The interior of the dustbin is frozen through the freezing device, bacteria removing treatment is conducted on garbage in the dustbin through ozone sprayed out of the ozone generator, convenience is achieved due to digital control in the whole process, and life experience of people is improved.

The invention discloses a sinking assisting construction method of an open caisson. The friction force between the well wall of the open caisson and the soil body in the open caisson is reduced by digging a partition groove of an annular structure, the problems of slow sinking and even stagnation can be effectively solved in cooperation with graded balance weight, and the construction efficiency is improved; and meanwhile, a cofferdam on the periphery of the open caisson effectively prevents slurry in the partition groove from flowing out, so that the situation that the partition groove collapses is prevented, uneven ground settlement caused by water and soil loss is avoided, and the safety of the construction process is improved.

A light emitting device includes a heat dissipation board, a wiring board that is bonded and fixed to the heat dissipation board and formed with a through-hole, a semiconductor light emitting element that is mounted on a face of the heat dissipation board, the face being exposed through the through-hole of the wiring board, and a light reflecting member that covers a portion of an inner peripheral wall surface of the through-hole of the wiring board, the portion being squarely opposed to a side surface of the semiconductor light emitting element.

The invention discloses a waterproof type trunk mat with a leak-proof function, including a trunk mat body, an obverse side and a reverse side. The edge of the obverse side is provided with a waterproof strip. The obverse side is internally provided with a plurality of arc-shaped convex strips, and an arc groove is arranged between every two arc-shaped convex strips. A plurality of stabilizing pads are arranged on the reverse side. An upper waterproof layer is arranged on the lower ends of the arc-shaped convex strips and the arc-shaped grooves. A sound insulation layer is arranged on the lower end of the upper waterproof layer. A lower waterproof layer is arranged on the lower end of the sound insulation layer. The waterproof type trunk mat has a simple and reasonable structure design. Anti-skidding pads are arranged on the obverse side, so that fast sliding of articles caused by fast sudden stop during vehicle running is avoided, collision of the articles is effectively reduced, and a good protecting effect is played; the sound insulation layer has a good sound insulation effect, so that the sound insulation performance of the interior of the vehicle is enhanced; the stabilizing pads are arranged at the lower end of the reverse side, so that friction between the trunk mat and the bottom of the trunk can be increased, the sliding of the trunk mat is avoided, and a protective effect is played on the articles.

An embodiment of the invention discloses an external pressure capillary electrophoresis interface device and a method of detecting a substance, wherein the device comprises: a capillary having an interface; a sample incoming end of the capillary is connected with a liquid storage bottle, a sample outgoing end of the capillary is connected with a detection module, a pressure application spatial structure is arranged outside the interface, the interface is communicated with the pressure application spatial structure, and a liquid inlet and a negative electrode are arranged in the pressure application spatial structure; a positive electrode is arranged in the liquid storage bottle. The external pressure capillary electrophoresis interface device according to the embodiment has the advantagesthat the pressure application spatial structure is added to the outside of the interface of the capillary, a buffered liquid that is pressurized is utilized, pressure can be applied to the interface to prevent a liquid under detection in the capillary from flowing out from the interface, and detection result accuracy is improved accordingly; the external pressure capillary electrophoresis interface device according to the embodiment has no need for sealing the interface with acetic cellulose, rigidity of capillary is ensured, and the problem of detection result inaccuracy due to the fact thata substance under detection adsorbs to the acetic cellulose can be avoided.

The invention discloses a ship motor front end combined shaft seal. The ship motor front end combined shaft seal is arranged at the front end of a motor and composed of a radial shaft seal and an axial shaft seal. The radial shaft seal is composed of a left end radial shaft seal body and a right end radial shaft seal body which are arranged at the left end and the right end of a bearing. The leftend radial shaft seal body is formed through tight fit of a felt ring I and the outer wall of a motor shaft, wherein the felt ring I is embedded in an inner hole radial U-shaped ring groove of a leftend cover which is located on the left side of the bearing and is in clearance fit with the motor shaft. The right side of a right end cover on the motor shaft is sleeved with an oil slinger rotatingalong with the motor shaft. The right end radial shaft seal body is formed through tight fit of a felt ring II and the outer wall of the motor shaft, wherein the felt ring II is embedded in an inner hole radial U-shaped ring groove of the right end cover which is located on the right side of the bearing and is in clearance fit with the motor shaft. The ship motor front end combined shaft seal is further characterized in that the right side of the right end cover is provided with the axial shaft seal, wherein the axial shaft seal is formed through sleeving of the oil slinger and an axial U-shaped ring groove of the right end cover. The combined shaft seal is composed of the dual radial shaft seal bodies and the axial shaft seal, and the sealing performance is good.

The invention discloses a radiating sheet material with waterproof strips, which mainly comprises a body member and characterized by that, the body member is provided with water-proof strips on the side end. The structure provided by the invention can effectively prevent circulated water from flowing out of the side end, thus improving the heat-exchange efficiency.

The present invention relates to the technical field of municipal engineering, in particular to a quick desilting equipment for pipelines used in municipal engineering; the equipment includes: a base plate, a second drive motor, and an external thread rotating pipe; The connecting rod, the second sliding connecting rod, and the ends of the second sliding connecting rod and the first sliding connecting rod that are far away from each other are all hingedly equipped with a strip-shaped mud scraper, and the side of the long strip-shaped mud scraper away from the external threaded rotating pipe is fixed A guide block is installed; the sliding sleeve on the external thread rotating pipe is provided with a circular water retaining plate; under the mutual extrusion of the guide block and the sewage pipe, the present invention can automatically adjust according to the size and diameter of the circular sewage pipe; When the shaped mud scraper is locked, it can protect the strip shaped mud scraper and the driving motor, and at the same time, it can remove the silt on the inner wall of the circular sewage pipe; it is a simple and convenient rapid desilting equipment.

The invention discloses a die-casting part shaping and grinding device and relates to the field of die casting. The die-casting part shaping and grinding device comprises a liquid storage cavity. The top of the liquid storage cavity is fixedly provided with a platform. The top of the left side of the liquid storage cavity is fixedly provided with a rotary table. The top of the rotary table is fixedly connected with a bracket. A motor and a liquid spray cavity are fixedly mounted on the bracket. The right side of the motor is fixedly connected with a rotary shaft. The rotary shaft penetrates through the left sidewall of the liquid spray cavity to be fixedly connected with a rotary disk. The right side of the rotary disk is fixedly connected with a grinding disk. The grinding disk and the rotary disk are provided with a plurality of through holes. The bottom of the liquid spray cavity is fixedly connected with a liquid outlet pipe. The liquid outlet pipe penetrates through the bracket and the rotary table to extend to the bottom of an inner cavity of the liquid storage cavity. The upper portion of the liquid outlet pipe is fixedly provided with a liquid pump. The die-casting part shaping and grinding device can adjusting the angle of the grinding disk, can recover, filter and reutilize used grinding liquid, saves resources and is easy to apply and popularize.

The invention discloses a turbine guide bearing of a water turbine. The turbine guide bearing comprises a bearing body. The end of the bearing body is connected with a magnetofluid sealing device. The magnetofluid sealing device comprises an electromagnetic device and a bush which is arranged outside a large shaft of the water turbine in a sleeving mode and has magneto-conductivity. The electromagnetic device comprises a magnetic ring arranged outside the bush in a sleeving mode, an electromagnetic coil is wound on the magnetic ring, and annular magnetic poles are arranged at the two ends of the magnetic ring correspondingly. A gap is formed between the inner end surface of each magnetic pole and the bush, and oil-based nanometer Fe3O4 magnetic fluid is absorbed inside the gaps. By using the turbine guide bearing provided by the invention, contact sealing with the large shaft is realized, oil of the turbine guide bearing is prevented from flowing outwards, and outside water is prevented from flowing into the turbine guide bearing. Oil leakage at the end is avoided, the ecological environment is improved, oil loss is reduced, the cooling effect is ensured, and the bush temperature is stabilized. Water flowing along the large shaft or jetted water from a main shaft seal is prevented from entering the turbine guide bearing, the quality of lubricating oil is ensured, the operation cost is lowered, and the power generation quantity is improved. The invention further discloses the turbine comprising the turbine guide bearing.